| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | Germany | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | Australia | 1 | |
| #5 | France | 1 | |
| #6 | Italy | 1 | |
| #7 | Norway | 1 | |
| #8 | African Intellectual Property Organization | 1 | |
| #9 | Sweden | 1 | |
| #10 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Environmental technology | |
| #3 | Chemical engineering | |
| #4 | Surface technology and coating |
| # | Name | Total Patents |
|---|---|---|
| #1 | Shiah Chyn Duog | 4 |
| #2 | Shiah Chyn Doug | 2 |
| #3 | Shiah C | 2 |
| #4 | Shiah Chyn D | 2 |
| #5 | Lo Ching Lung | 1 |
| #6 | Duog Shiah Chyn | 1 |
| #7 | Lo Ching L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1442432A | Extraction of titanium dioxide | |
| GB1406945A | Waste pickle liquor regeneration | |
| US3252787A | Process for producing titanium dioxide concentrate and other useful products from ilmenite and similar ores | |
| CA767560A | Titaniferrous ore refining |